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JEE Main Math Class 11 Sequences and Series Part 2 Questions

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Question : 34

Total: 100

If the sum of an infinite GP a,ar,ar2,ar3,.... is 15 and the sum of the squares of its each term is 150 , then the sum of ar2,ar4,ar6,... is

[2021, 26 Aug. Shift-1]

5∕2
1∕2
25∕2
9∕2

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